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Help w correct mainspring "Click" to Login or Register 
Ron Birchall
Picture of Ron Birchall
posted
Can someone identify the correct mainspring for an Elgin 21j BWR, grade 478? The material book I have lists several.

Thanks

Ron
 
Posts: 388 | Location: Wheaton, Illinois U.S.A. | Registered: December 20, 2004
Brian C.
Picture of Brian C.
posted
Ronald,
A grade 478 takes a spring with a part number of 817.
Brian C.
 
Posts: 1857 | Location: Epsom, New Hampshire USA | Registered: December 14, 2002
Ron Birchall
Picture of Ron Birchall
posted
Thanks Brian
 
Posts: 388 | Location: Wheaton, Illinois U.S.A. | Registered: December 20, 2004
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